Also, look at:   Deposit	Advance payment The amount of money you will need to pay to your agent upon making a booking (usually 35% - 50% of the total charter fee), in order to reserve the boat of your choice. Alternatively, this is sometimes termed the Deposit.			related sites
Sidenote If you cancel your holiday - for whatever reason - before the scheduled  date of departure, the cancellation fees will be deducted from your advance payment and you will be refunded the difference. More info & tips related to the advance payment